Error! authentication failure - php

Question

I am working on a php website,Using google smtp to send mail,The code is working fine and it is sending mail to inbox, Through google smtp.But now have changed the $username and $password,It is showing me this error,Thankyou in advance
Error! authentication failure [SMTP: Invalid response code received
from server (code: 534, response: 5.7.14 Please log in via your web
browser and 5.7.14 then try again. 5.7.14 Learn more at 5.7.14
https://support.google.com/mail/answer/78754 y11-v6sm11496340pfn.92 - gsmtp)]
<?php
require_once 'Mail.php'; //this loads up PEAR Mail
if (!class_exists('Mail')) { die('Error: The PEAR Mail class does not exist.'); }
$host = 'ssl://smtp.gmail.com';
$username = '****#gmail.com'; //replace this with your new Gmail address
$password = '****'; //replace this with your new Gmail account password
$port = '465';
$from_email = $username;
$from = '"california worker company" <'.$from_email.'>'; //put your name in here, but keep the double quotes
$to = '"california worker company" <softphoton002#gmail.com>'; //put in your name and main email address to send a test to
$subject = 'California Worker Lead for GENERAL CONTRACTORS';
$myname = $_REQUEST['name'];
$myemail = $_REQUEST['email'];
$myphone = $_REQUEST['phone'];
$annualpayroll = $_REQUEST['annualpayroll'];
$numberofemployees = $_REQUEST['numberofemployees'];
$yourbusinesstype = $_REQUEST['yourbusinesstype'];
$healthinsurancecarrier = $_REQUEST['healthinsurancecarrier'];
$payrollservicemethod = $_REQUEST['payrollservicemethod'];
$body = 'Hello Admin <br/> You get a new lead for GENERAL CONTRACTORS.<br/>
Name:'.$myname.'<br/>
Email:'.$myemail.'<br/>
Phone:'.$myphone.'<br/>
Annual Payroll:'.$annualpayroll.'<br/>
Member of Employees:'.$numberofemployees.'<br/>
Business Type:'.$yourbusinesstype.'<br/>
Health Insurance Carrier:'.$healthinsurancecarrier.'<br/>
Payroll Service Method:'.$payrollservicemethod.'<br/>';
$headers = array(
'From' => $from,
'To' => $to,
'Subject' => $subject,
'Reply-To' => $from_email,
'MIME-Version' => 1,
'Content-type' => 'text/html;UTF-8'
);
$params = array(
'host' => $host,
'port' => $port,
'auth' => true,
'username' => $username,
'password' => $password
);
$smtp = Mail::factory('smtp', $params);
$mail = $smtp->send($to, $headers, $body);
// To user email
$headerss = array(
'From' => $from,
'To' => $myemail,
'Subject' => $subject,
'Reply-To' => $from_email,
'MIME-Version' => 1,
'Content-type' => 'text/html;UTF-8'
);
$paramss = array(
'host' => $host,
'port' => $port,
'auth' => true,
'username' => $username,
'password' => $password
);
$smtps = Mail::factory('smtp', $paramss);
$bodys = 'Hello '.$myname.'<br/>
We received your message for Quote on GENERAL CONTRACTOR. We will reply you in next 24-48 hours.<br/>
Thank you';
$mails = $smtps->send($myemail, $headerss, $bodys);
if (PEAR::isError($mail)) {
echo '<p>Error! '.$mail->getMessage().'</p>';
} else {
header("Location: http://californiaworkercomp.com/general-contractors?success=1");
//echo '<p>Your test message was sent successfully.</p>';
}
?>